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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : Knox County
Issued: 6:21 pm CST Dec 11, 2025 Latitude: 40.7861488 Longitude: -90.0842843 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
100% chance of snow on Tonight Mostly Cloudy on Friday 90% chance of snow on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday
Low: 22°F High: 29°F High: 12°F High: 5 °F High: 28°F High: 37°F High: 45°F High: 44°F
Low: 8 °F Low: -8°F Low: -8°F Low: 17°F Low: 30°F Low: 33°F  
Snow Mostly Cloudy Snow Sunny Mostly Sunny Mostly Sunny Mostly Cloudy Mostly Sunny
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Current Conditions at
GALESBURG - (KGBG)
25°
Cloudy
Light Snow
as of 6:35 PM CST
Rel. Humidity: 100%
Dew Point: 25°F
Visibility: 2 1/2 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
3 MPH
110° East
Cloud Level(s): Broken at 1800ft, Solid Overcast at 2500ft
Current Conditions at
PEORIA - (KPIA)
25°
Cloudy
Light Snow Mist
as of 6:35 PM CST
Rel. Humidity: 100%
Dew Point: 25°F
Visibility: 1 1/4 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
5 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 1300ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
25°
Cloudy
Light Snow
as of 6:35 PM CST
Rel. Humidity: 100%
Dew Point: 25°F
Visibility: 2 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
8 MPH
110° East
Cloud Level(s): Broken at 1100ft, Solid Overcast at 2000ft
100% chance of snow Tonight Tonight... Snow, mainly before midnight. Low around 22. Southeast wind 5 to 7 mph becoming north northeast after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 29. North northeast wind 5 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 8. Wind chill values between -4 and 6. West northwest wind 9 to 11 mph, with gusts as high as 22 mph.

90% chance of snow Saturday Saturday... Snow. High near 12. Wind chill values between -5 and zero. Northwest wind 7 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around -8. Northwest wind around 10 mph, with gusts as high as 20 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 5. Northwest wind 5 to 9 mph becoming light west in the afternoon. Winds could gust as high as 18 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around -8. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 20 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 28.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 17.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 37.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 45.

20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 33.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 44.

Sun Almanac for Douglas, Illinois
Sunrise: 07:15 AM
Sunset: 4:33 PM
Civil Sunrise:06:44 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:11 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.